Between brackets is the number of accepted species
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2 Shows the number of accepted species within the taxon
3 The last expanded taxon is highlighted
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- Biota
- Kingdom Animalia
- Phylum Acanthocephala
- Phylum Agmata †
- Phylum Animalia (awaiting allocation)
- Phylum Animalia incertae sedis
- Phylum Annelida
- Phylum Arthropoda
- Phylum Brachiopoda
- Phylum Bryozoa
- Phylum Cephalorhyncha incertae sedis
- Phylum Chaetognatha
- Phylum Chitinozoa †
- Phylum Chordata
- Phylum Cnidaria
- Phylum Ctenophora
- Phylum Cycliophora
- Phylum Cycloneuralia incertae sedis
- Phylum Ecdysozoa incertae sedis †
- Phylum Echinodermata
- Phylum Entoprocta
- Phylum Gastrotricha
- Phylum Gnathostomulida
- Phylum Hemichordata
- Phylum Hyolitha †
- Phylum Kinorhyncha
- Phylum Lobopoda †
- Phylum Loricifera
- Phylum Micrognathozoa
- Phylum Mollusca
- Phylum Monoblastozoa accepted as Animalia incertae sedis
- Phylum Nematoda
- Phylum Nematomorpha
- Phylum Nemertea
- Phylum Onychophora
- Phylum Orthonectida
- Phylum Phoronida
- Phylum Placozoa
- Phylum Platyhelminthes
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera
- Class Archaeocyatha †
- Class Archaeocyathea † accepted as Archaeocyatha †
- Class Calcarea
- Class Calcispongea
- Class Demospongea
- Order Agelasida
- Order Astrophorida
- Order Axinellida
- Order Bubarida
- Order Ceractinomorpha (awaiting allocation)
- Order Ceratoporellida
- Order Chaetetida accepted as Demospongea
- Order Chondrillida
- Order Chondrosida accepted as Chondrosiida
- Order Chondrosiida
- Order Choristida
- Order Demospongea (awaiting allocation) †
- Order Demospongea incertae sedis
- Order Demospongiae (awaiting allocation)
- Order Demospongiae incertae sedis
- Order Dendroceratida
- Order Desmophorida
- Order Dictyoceratida
- Order Epipolasida †
- Order Guadalupiida
- Order Hadromerida
- Family Acanthochaetetidae Fischer, 1970
- Family Alectonidae Rosell, 1996 accepted as Thoosidae Cockerell, 1925
- Family Cassianothalamiidae Reitner, 1987 †
- Family Ceotinellidae Senowbari-Daryan, 1978 †
- Family Clionaidae d'Orbigny, 1851
- Family Clionidae d'Orbigny, 1851 accepted as Clionaidae d'Orbigny, 1851
- Family Donatiidae Burton, 1924 accepted as Tethyidae Gray, 1867
- Family Dystactospongiidae Miller, 1889 †
- Family Hadromerida (awaiting allocation)
- Family Latrunculiidae Topsent, 1922
- Family Placospongiidae Gray, 1867
- Genus Amphinolana Rützler & Hooper, 2000 accepted as Onotoa de Laubenfels, 1955
- Genus Onotoa de Laubenfels, 1955
- Genus Physacophora Thiele, 1900 accepted as Placospongia Gray, 1867
- Genus Physcaphora Hanitsch, 1895 accepted as Placospongia Gray, 1867
- Species Physcaphora decorticans Hanitsch, 1895 accepted as Placospongia decorticans (Hanitsch, 1895)
- Genus Placospherastra van Soest, 2009
- Genus Placospongia Gray, 1867
- Family Polymastiidae Gray, 1867
- Family Polysiphonidae Girty, 1909 †
- Family Sollasellidae Lendenfeld, 1887 accepted as Raspailiidae Nardo, 1833
- Family Spirastrellidae Ridley & Dendy, 1886
- Family Stelligeridae Lendenfeld, 1898
- Family Stylocordylidae Topsent, 1892
- Family Tethyidae Gray, 1867
- Family Thoosidae Cockerell, 1925
- Family Timeidae Topsent, 1928
- Order Halichondrida accepted as Demospongea
- Order Haplosclerida
- Order Homosclerophorida
- Order Keratosa accepted as Dendroceratida
- Order Lithistida
- Order Megalithistida †
- Order Merliida
- Order Monalithistida †
- Order Monaxonida
- Order Myxillina (awaiting allocation)
- Order Operculospongia †
- Order Petrosiida
- Order Poecilosclerida
- Order Protomonaxonida †
- Order Sclerospongiae (awaiting allocation)
- Order Scopalinida
- Order Spirophorida
- Order Spirosclerophorida
- Order Spongillida
- Order Spongillina (awaiting allocation)
- Order Suberitida
- Order Tabulospongida
- Order Tetractinellida
- Order Tetractinomorpha (awaiting allocation)
- Order Tetralithistida †
- Order Vaceletida †
- Order Verongida accepted as Verongiida
- Order Verongiida
- Order Verticillitida
- Family Burgundiidae Dehorne, 1920 †
- Family Neuroporidae Termier, Termier & Ramalho, 1985 †
- Family Spongiostromidae Gürich, 1906 †
- Genus Atrochaetetes Cuif & Fischer, 1974 †
- Genus Bauneia Peterhans, 1927 †
- Genus Blastochaetetes Dietrich, 1919 †
- Genus Carnegia Girty, 1907 † accepted as Carnegiea Girty in Willis, 1913 †
- Genus Carnegiea Girty in Willis, 1913 †
- Genus Cassianopora Bizzarini & Braga, 1978 †
- Genus Chaetetella Sokolov, 1939 †
- Genus Chaetetipora Struve, 1897 †
- Genus Chaetetiporella Sokolov, 1939 † accepted as Chaetetella Sokolov, 1939 †
- Genus Chaetosclera Reitner & Engeser, 1989 †
- Genus Conosclera Wu, 1991 †
- Genus Fistulimurina Sokolov, 1947 †
- Genus Flabellisclera Wu, 1991 †
- Genus Fungispongia Wu, 1991 †
- Genus Gigantosclera Wu, 1991 †
- Genus Gracilitubulus Wu, 1991 †
- Genus Ischnspongia Wu, Zhu & Steiner, 2014 †
- Genus Leiochaetetes Andri & Rossi, 1981 †
- Genus Litophyllum Etheridge, 1899 †
- Genus Meandripetra Dieci, Russo, Russo & Marchi, 1977 †
- Genus Mirispongia Wu, 1991 †
- Genus Moskovia Sokolov, 1950 †
- Genus Neosolenopora Mastrorilli, 1955 †
- Genus Pamirochaetetes Boiko, 1979 †
- Genus Parabauneia Wu, 1991 †
- Genus Planochaetetes Solov'eva, 1980 †
- Genus Precaratoporella † accepted as Preceratoporella Termier & Termier in Termier, Termier & Vachard, 1977 †
- Genus Preceratoporella Termier & Termier in Termier, Termier & Vachard, 1977 †
- Genus Pseudomonotrypa Reschetkin, 1927 † accepted as Bauneia Peterhans, 1927 †
- Genus Ptilispongia Wu, Zhu & Steiner, 2014 †
- Genus Ptychochaetetes Koechlin, 1947 †
- Genus Septochaetetes Rios & Almela, 1944 †
- Genus Siphostroma Steiner, 1932 †
- Genus Solenopora Dybowski, 1878 †
- Genus Spinochaetetes Kim in Yang, Kim & Chow, 1978 †
- Genus Spongiothecopora Sokolov, 1939 †
- Genus Stromatoaxinella Wood & Reitner, 1988 †
- Genus Tubulispongia Wu, 1991 †
- Genus Varioparietes Bodergat, 1975 † accepted as Ptychochaetetes Koechlin, 1947 †
- Genus Zlambachella Flügel, 1961 †
- Class Heteractinida †
- Class Hexactinellida
- Class Hyalospongea accepted as Hexactinellida
- Class Hyalospongiae accepted as Hexactinellida
- Class Porifera (awaiting allocation)
- Class Spongiomorpha
- Class Stromatoporata accepted as Stromatoporoidea †
- Class Stromatoporoidea †
- Genus Achilleum Oken, 1815
- Genus Calliospongia Chen, Porras, Ma, Hou & Wörheide, 2023 †
- Genus Celtispongia Peel, 2019 †
- Genus Conciliospongia Botting, Zhang & Muir, 2017 †
- Genus Heteractenigma Botting & Zhang, 2013 †
- Genus Iniquispongia Senowbari-Daryan, Fürsich & Rashidi, 2020 †
- Genus Palaeomillepora Gabilly & Lafuste, 1957, nom. nud. † accepted as Palaeomillepora Gabilly & Lafuste, 1957 †
- Genus Palaeomillepora Gabilly & Lafuste, 1957 †
- Genus Perturbatacrusta Schlagintweit & Gawlick, 2011 †
- Genus Portalia Walcott, 1918 †
- Genus Sanningasoqia Peel, 2019 †
- Genus Seqineqia Peel, 2018 †
- Genus Seriespongia Senowbari-Daryan, Fürsich & Rashidi, 2020 †
- Genus Siphydora James-Clark, 1865
- Genus Sisamatispongia Peel, 2018 †
- Genus Sulukispicula Peel, 2019 †
- Genus Tallitaniqa Peel, 2018 †
- Genus Vasispongia Tang & Xiao in Tang et al., 2019 †
- Phylum Priapula accepted as Priapulida
- Phylum Priapulida
- Phylum Problematica † accepted as Animalia incertae sedis
- Phylum Rhombozoa
- Phylum Rotifera
- Phylum Scalidophora incertae sedis
- Phylum Sipuncula
- Phylum Tardigrada
- Phylum Trace fossils †
- Phylum Vendobionta †
- Phylum Vestimentifera accepted as Siboglinidae Caullery, 1914
- Phylum Vetulicolia †
- Phylum Vinctiplicata incertae sedis †
- Phylum Xenacoelomorpha
- Genus Trilobocaris Pribyl, 1953 †
- Kingdom Archaea
- Kingdom Bacteria
- Kingdom Chromista
- Kingdom Fungi
- Kingdom Plantae
- Kingdom Protista accepted as Protozoa
- Kingdom Protozoa
- Kingdom Viruses
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